In this fifth installment of our series on conversational usability, our focus shifts to conversational usability and the process of evaluating and improving conversational interfaces that often differ significantly from the visual and physical interfaces we normally use to test with end users.

Drupal 7 core, together with Drupal contrib, has the ability to ship a powerful platform for our digital requirements in the enterprise world. The multilingual feature is one of the prime reasons that Drupal is a distinguished and a preferred solution to achieve business goals. Drupal 8 includes the multilingual package in the core itself, but Drupal 7 requires some extra amount of effort to build this package as a whole to make Drupal multilingual ready.

On the 28th of March 2018 the Drupal Security Team announced SA-CORE-2018-002, a serious Remote Code Execution vulnerability, which came to be known by many as "Drupalgeddon 2". Here's what we learned defending against it.

The Sprint Demo (often part of the Sprint Review ceremony in Agile/Scrum methodology) is a critical step in completing a sprint, an opportunity to excite stakeholders, and a chance for developers to show off their work. For presenters, however, the demo can be a stressful exercise due to a lack of confidence, structure, or practice.

If you’re nervous about giving your first demo, haven’t enjoyed giving demos in the past, or you just want to get better at demoing, this post is for you!

When I was in grad school, I learned the hard way -- by my poor showings in data science competitions -- that I was not handling missing data correctly. That motivated me to learn how to handle missing data the right way.

What is missing data? In simple terms, it's data where values are missing for some of the attributes. Let's look at five techniques to handle it correctly.

Atop the Castle of Saint Barbara in Alicante, time sometimes seems to slow down, and words that once held grand meaning seem inadequate. I had a similar feeling both during and on the heels of DrupalCamp Spain, organized by the Spanish Drupal Association and held this year at Las Cigarreras cultural center in a seaside city that is one of the crown jewels of not only the Valencian Community but also of Spain.

Revered management thinker Peter Drucker once wrote, “If you can’t replicate something because you don’t understand it, then it really hasn’t been invented; it’s only been done.” In many ways content modeling in Drupal has been done without being invented. For this reason, we’re developing a discipline for content modeling at Acquia. It’s drastically reducing both costs and defect rates for us.